As someone who owns a creative E5, as well as a Oppo HA-2 ( Which has been compared to the XD05 ), the E5 sounds like shit compared to the HA-2. It also doesn't have enough power to power 600ohm headphones ( DT880 ), while the HA-2 does, cleanly.
People are saying the XD05 sounds onpar if not better than the HA-2.
I personally listen using DT880 600Ohm's or Shure SE846s IEM's.
However if you want bluetooth, XFi features on PC, and also a...